Home / 6,243.90-9,338.30-5,555.40

Finding the Fourth Proportional to 6,243.90, 9,338.30 and 5,555.40

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Solution

The fourth proportional to 6,243.90, 9,338.30 and 5,555.40 is: 8,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.90 : 9,338.30 = 5,555.40 : x
  2. Step 2: Convert to fraction form
    6,243.90/9,338.30 = 5,555.40/x
  3. Step 3: Cross multiply
    6,243.90x = 9,338.30 × 5,555.40
  4. Step 4: Simplify right side
    6,243.90x = 51,877,964.04
  5. Step 5: Solve for x
    x = 51,877,964.04/6,243.90
  6. Step 6: Final answer
    x = 8,308.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.